package com.object.demo2;

public class Person {
	String name;
	int age;
	/**
	 * 
	 * sex:1表示男性
	 * sex:0表示女性
	 */
	
	int sex;
	
	
	
	public void study(){
		System.out.println("studying");
	}
	public void showAge(){
			System.out.println(age);
	}
	public int addAge(int i){
		age += i;
		return age;
	
	}
 }
